199 nullability warnings to go

src/Mollie.Api/Models/Error/MollieErrorMessage.cs

@@ -3,23 +3,22 @@
 namespace Mollie.Api.Models.Error {
     public class MollieErrorMessage {
         public int Status { get; set; }
-        public string Title { get; set; }
-        public string Detail { get; set; }
+        public required string Title { get; init; }
+        public required string Detail { get; init; }
 
         /// <summary>
         /// The errors that are returned by the Connect client have a different format for some reason
         /// In order to use the same object, we just map private properties to the public properties
         /// that are used by the public api
         /// </summary>
         [JsonProperty("error")]
-        private string Error { set { Title = value; } }
+        private string Error { init { Title = value; } }
 
         [JsonProperty("error_description")]
-        private string ErrorDescription { set { Detail = value; } }
-
+        private string ErrorDescription { init { Detail = value; } }
 
         public override string ToString() {
-            return $"{this.Title} - {this.Detail}";
+            return $"{Title} - {Detail}";
         }
     }
 }

src/Mollie.Api/Models/Invoice/InvoiceLine.cs

@@ -1,30 +1,28 @@
-using System;
-
-namespace Mollie.Api.Models.Invoice {
+namespace Mollie.Api.Models.Invoice {
 	public class InvoiceLine {
 		/// <summary>
 		/// The administrative period (YYYY) on which the line should be booked.
 		/// </summary>
-		public string Period { get; set; }
+		public required string Period { get; init; }
 
 		/// <summary>
 		/// Description of the product.
 		/// </summary>
-		public string Description { get; set; }
+		public required string Description { get; init; }
 
 		/// <summary>
 		/// Number of products invoiced (usually number of payments).
 		/// </summary>
-		public int Count { get; set; }
+		public required int Count { get; init; }
 
 		/// <summary>
 		/// Optional – VAT percentage rate that applies to this product.
 		/// </summary>
-		public decimal VatPercentage { get; set; }
+		public required decimal VatPercentage { get; init; }
 
 		/// <summary>
 		/// Amount excluding VAT.
 		/// </summary>
-		public Amount Amount { get; set; }
+		public required Amount Amount { get; init; }
 	}
 }

src/Mollie.Api/Models/Invoice/InvoiceResponse.cs

@@ -17,66 +17,60 @@ public class InvoiceResponse : IResponseObject {
 		/// <summary>
 		/// The reference number of the invoice. An example value would be: 2016.10000.
 		/// </summary>
-		public string Reference { get; set; }
+		public required string Reference { get; init; }
 
 		/// <summary>
 		/// Optional – The VAT number to which the invoice was issued to (if applicable).
 		/// </summary>
-		public string VatNumber { get; set; }
+		public string? VatNumber { get; set; }
 
 		/// <summary>
 		/// Status of the invoices - See the Mollie.Api.Models.Invoice.InvoiceStatus class for
 		/// a full list of known values
 		/// </summary>
-		public string Status { get; set; }
+		public required string Status { get; init; }
 
 		/// <summary>
 		/// The invoice date (in YYYY-MM-DD format).
 		/// </summary>
-		public string IssuedAt { get; set; }
+		public required string IssuedAt { get; init; }
 
 		/// <summary>
 		/// Optional – The date on which the invoice was paid (in YYYY-MM-DD format). Only for paid invoices.
 		/// </summary>
-		public string PaidAt { get; set; }
+		public string? PaidAt { get; set; }
 
 		/// <summary>
 		/// Optional – The date on which the invoice is due (in YYYY-MM-DD format). Only for due invoices.
 		/// </summary>
-		public string DueAt { get; set; }
+		public string? DueAt { get; set; }
 
         /// <summary>
         /// Total amount of the invoice excluding VAT, e.g. {"currency":Currency.EUR, "value":"100.00"}.
         /// </summary>
-        public Amount NetAmount { get; set; }
+        public required Amount NetAmount { get; init; }
 
         /// <summary>
         /// VAT amount of the invoice. Only for merchants registered in the Netherlands. For EU merchants, VAT 
         /// will be shifted to recipient; article 44 and 196 EU VAT Directive 2006/112. For merchants outside the 
         /// EU, no VAT will be charged.
         /// </summary>
-        public Amount VatAmount { get; set; }
+        public required Amount VatAmount { get; init; }
 
         /// <summary>
         /// Total amount of the invoice including VAT.
         /// </summary>
-        public Amount GrossAmount { get; set; }
+        public required Amount GrossAmount { get; init; }
 
         /// <summary>
-        /// Only available if you require this field to be included – The collection of products which make up the invoice.
+        /// The collection of products which make up the invoice.
         /// </summary>
-        public List<InvoiceLine> Lines { get; set; }
-
-		/// <summary>
-		/// Only available if you require this field to be included – A array of settlements that were invoiced on this invoice.
-		/// You need the settlements.read permission for this field.
-		/// </summary>
-		public List<SettlementResponse> Settlements { get; set; }
+        public required List<InvoiceLine> Lines { get; init; }
 
 		/// <summary>
 		/// Useful URLs to related resources.
 		/// </summary>
 		[JsonProperty("_links")]
-		public InvoiceResponseLinks Links { get; set; }
+		public required InvoiceResponseLinks Links { get; init; }
 	}
 }

src/Mollie.Api/Models/Invoice/InvoiceResponseLinks.cs

@@ -5,12 +5,12 @@ public class InvoiceResponseLinks {
         /// <summary>
         /// The API resource URL of the invoice itself.
         /// </summary>
-        public UrlObjectLink<InvoiceResponse> Self { get; set; }
+        public required UrlObjectLink<InvoiceResponse> Self { get; init; }
 
         /// <summary>
         /// The URL to the PDF version of the invoice. The URL will expire after 60 minutes.
         /// </summary>
-		public UrlLink Pdf { get; set; }
+		public UrlLink? Pdf { get; set; }
 
         /// <summary>
         /// The URL to the invoice retrieval endpoint documentation.

src/Mollie.Api/Models/Issuer/IssuerResponse.cs

@@ -15,11 +15,11 @@ public class IssuerResponse : IResponseObject {
         /// <summary>
         ///     The issuer's full name, for example 'ABN AMRO'.
         /// </summary>
-        public string Name { get; set; }
+        public required string Name { get; init; }
 
         /// <summary>
         ///     Different Issuer Image icons (iDEAL).
         /// </summary>
-        public IssuerResponseImage Image { get; set; }
+        public required IssuerResponseImage Image { get; init; }
     }
 }

src/Mollie.Api/Models/Issuer/IssuerResponseImage.cs

@@ -3,12 +3,12 @@
 	/// URLs of images representing the issuer.
 	/// </summary>
 	public class IssuerResponseImage {
-		public string Size1x { get; set; }
-		public string Size2x { get; set; }
-		public string Svg { get; set; }
+		public required string Size1x { get; init; }
+		public required string Size2x { get; init; }
+		public required string Svg { get; init; }
 
 		public override string ToString() {
-			return this.Size1x;
+			return Size1x;
 		}
 	}
 }

src/Mollie.Api/Models/List/ListResponse.cs

@@ -8,15 +8,9 @@ public class ListResponse<T> where T : IResponseObject{
 
         [JsonConverter(typeof(ListResponseConverter))]
         [JsonProperty("_embedded")]
-        public List<T> Items { get; set; }
+        public required List<T> Items { get; init; }
 
         [JsonProperty("_links")]
-        public ListResponseLinks<T> Links { get; set; }
-    }
-
-    public class ListResponseSimple<T> {
-        public int Count { get; set; }
-
-        public List<T> Data { get; set; }
+        public required ListResponseLinks<T> Links { get; init; }
     }
 }

src/Mollie.Api/Models/List/ListResponseLinks.cs

@@ -8,17 +8,17 @@ public class ListResponseLinks<T> where T : IResponseObject {
         /// <summary>
         /// The URL to the current set of payments.
         /// </summary>
-        public UrlObjectLink<ListResponse<T>> Self { get; set; }
+        public required UrlObjectLink<ListResponse<T>> Self { get; init; }
 
         /// <summary>
         /// The previous set of objects, if available.
         /// </summary>
-        public UrlObjectLink<ListResponse<T>> Previous { get; set; }
+        public UrlObjectLink<ListResponse<T>>? Previous { get; set; }
 
         /// <summary>
         /// The next set of objects, if available.
         /// </summary>
-        public UrlObjectLink<ListResponse<T>> Next { get; set; }
+        public UrlObjectLink<ListResponse<T>>? Next { get; set; }
 
         /// <summary>
         /// The URL to the payments list endpoint documentation.

src/Mollie.Api/Models/Mandate/MandateRequest.cs

@@ -5,12 +5,12 @@ public class MandateRequest {
         /// <summary>
         /// Payment method of the mandate - Possible values: `directdebit` `paypal`
         /// </summary>
-        public string Method { get; set; }
+        public required string Method { get; init; }
 
         /// <summary>
         /// Required - Name of consumer you add to the mandate
         /// </summary>
-        public string ConsumerName { get; set; }
+        public required string ConsumerName { get; init; }
 
         /// <summary>
         /// Optional - The date when the mandate was signed.
@@ -20,7 +20,7 @@ public class MandateRequest {
         /// <summary>
         /// Optional - A custom reference
         /// </summary>
-        public string MandateReference { get; set; }
+        public string? MandateReference { get; set; }
 
         /// <summary>
         ///	Oauth only - Optional – Set this to true to make this mandate a test mandate.

src/Mollie.Api/Models/Mandate/MandateResponse.cs

@@ -18,38 +18,38 @@ public class MandateResponse : IResponseObject {
         /// Current status of mandate - See the Mollie.Api.Models.Mandate.MandateStatus class for a full 
         /// list of known values.
         /// </summary>
-        public string Status { get; set; }
+        public required string Status { get; init; }
 
         /// <summary>
         /// Payment method of the mandate - See the Mollie.Api.Models.Payment.PaymentMethod class for a full list of known values.
         /// </summary>
-        public string Method { get; set; }
+        public required string Method { get; init; }
 
         /// <summary>
         /// Mandate details that are different per payment method. Available fields depend on that payment method.
         /// </summary>
-        public MandateDetails Details { get; set; }
+        public MandateDetails? Details { get; set; }
 
         /// <summary>
         /// The mandate’s custom reference, if this was provided when creating the mandate.
         /// </summary>
-        public string MandateReference { get; set; }
+        public string? MandateReference { get; set; }
 
         /// <summary>
         /// The signature date of the mandate in YYYY-MM-DD format.
         /// </summary>
-        public string SignatureDate { get; set; }
+        public string? SignatureDate { get; set; }
 
         /// <summary>
         /// DateTime when mandate was created.
         /// </summary>
-        public DateTime? CreatedAt { get; set; }
+        public DateTime CreatedAt { get; init; }
 
         /// <summary>
         /// An object with several URL objects relevant to the mandate. Every URL object will contain an href and a type field.
         /// </summary>
         [JsonProperty("_links")]
-        public MandateResponseLinks Links { get; set; }
+        public required MandateResponseLinks Links { get; init; }
     }
 
     public class MandateDetails {

src/Mollie.Api/Models/Mandate/MandateResponseLinks.cs

@@ -6,12 +6,12 @@ public class MandateResponseLinks {
         /// <summary>
         /// The API resource URL of the mandate itself.
         /// </summary>
-        public UrlObjectLink<MandateResponse> Self { get; set; }
+        public required UrlObjectLink<MandateResponse> Self { get; init; }
 
         /// <summary>
         /// The API resource URL of the customer the mandate is for.
         /// </summary>
-        public UrlObjectLink<CustomerResponse> Customer { get; set; }
+        public required UrlObjectLink<CustomerResponse> Customer { get; init; }
 
         /// <summary>
         /// The URL to the mandate retrieval endpoint documentation.

src/Mollie.Api/Models/Mandate/MandateStatus.cs

@@ -1,6 +1,4 @@
-using System.Runtime.Serialization;
-
-namespace Mollie.Api.Models.Mandate {
+namespace Mollie.Api.Models.Mandate {
     public static class MandateStatus {
         public const string Valid = "valid";
         public const string Invalid = "invalid";

src/Mollie.Api/Models/Mandate/PayPalMandateRequest.cs

@@ -1,19 +1,21 @@
-namespace Mollie.Api.Models.Mandate
+using System.Diagnostics.CodeAnalysis;
+
+namespace Mollie.Api.Models.Mandate
 {
     public class PayPalMandateRequest : MandateRequest
     {
         public PayPalMandateRequest() {
-            this.Method = Payment.PaymentMethod.PayPal;
+            Method = Payment.PaymentMethod.PayPal;
         }
 
         /// <summary>
         /// Required For Paypal - The consumer's email address.
         /// </summary>
-        public string ConsumerEmail { get; set; }
+        public required string ConsumerEmail { get; init; }
 
         /// <summary>
         /// Required for `paypal` mandates - The billing agreement ID given by PayPal.
         /// </summary>
-        public string PaypalBillingAgreementId { get; set; }
+        public required string PaypalBillingAgreementId { get; init; }
     }
 }

src/Mollie.Api/Models/Mandate/SepaDirectDebitMandateRequest.cs

@@ -1,20 +1,22 @@
-namespace Mollie.Api.Models.Mandate
+using System.Diagnostics.CodeAnalysis;
+
+namespace Mollie.Api.Models.Mandate
 {
     public class SepaDirectDebitMandateRequest : MandateRequest
     {
         public SepaDirectDebitMandateRequest() {
-            this.Method = Payment.PaymentMethod.DirectDebit;
+            Method = Payment.PaymentMethod.DirectDebit;
         }
 
         /// <summary>
         /// Required for `directdebit` mandates - Consumer's IBAN account
         /// </summary>
-        public string ConsumerAccount { get; set; }
+        public required string ConsumerAccount { get; init; }
 
         /// <summary>
         /// Optional - The consumer's bank's BIC / SWIFT code.
         /// </summary>
-        public string ConsumerBic { get; set; }
+        public string? ConsumerBic { get; set; }
 
     }
 }

src/Mollie.Api/Models/Onboarding/Request/OnboardingOrganizationRequest.cs

@@ -6,11 +6,11 @@ public class OnboardingOrganizationRequest {
         /// <summary>
         /// Name of the organization.
         /// </summary>
-        public string Name { get; set; }
+        public string? Name { get; set; }
 
         /// <summary>
         /// Address of the organization.
         /// </summary>
-        public AddressObject Address { get; set; }
+        public AddressObject? Address { get; set; }
     }
 }